package cn.tedu.tmall.front.mall.alipay.controller;

import cn.tedu.tmall.front.mall.alipay.pojo.param.PayParam;
import com.alibaba.fastjson.JSONObject;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.alipay.api.response.AlipayTradePagePayResponse;
import com.github.xiaoymin.knife4j.annotations.ApiOperationSupport;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import springfox.documentation.annotations.ApiIgnore;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.Map;

/**
 * 处理在线支付相关请求的控制器类
 *
 * @author java@tedu.cn
 * @version 3.0
 */
@Slf4j
@Api(tags = "9. 模拟支付")
@RestController
@RequestMapping("/alipay")
public class PayController {

    /**
     * APP ID，请在支付宝沙箱应用（https://open.alipay.com/develop/sandbox/app）中查找正确的值
     */
    private static final String APP_ID = "9021000127684414";
    /**
     * 应用私钥，请在支付宝沙箱应用（https://open.alipay.com/develop/sandbox/app）中查找正确的值
     */
    private static final String PRIVATE_KEY = "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";
    /**
     * 支付宝公钥，请在支付宝沙箱应用（https://open.alipay.com/develop/sandbox/app）中查找正确的值
     */
    private static final String ALIPAY_PUBLIC_KEY = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAgPJHpENGPuTVDKSHsPz6oJJb2Ys7azPwwdpsoLg6mwAbTrrv6d3pZOCpR/VvYwTmFfhHeFdDGFJdgiJ4B5sOOyfqmfOECzV7vlkXpPzU2OZljEfN4eIG1+PuOiqCzfbzuAqLnw5uRV8icbqKPbjwwTFqtpl9CawCaDz8+CvCwYi6F0ho08wbIcvwnl0vEgtGYhSmpGFL1GSFecRIx9c+qUiDn/GPHJDW+hpb/Ptw+0OjBnW5I12P75B9coMu6XkD08FFILLfWkkyVnwzVmT5M05lcQ+mb5IFMQYPZAKSDy+AP72MsFIoCFBHE0aw2y3/0Mpjfq2HCvu5ZeYX/aT9SQIDAQAB";
    /**
     * 支付服务器的主机，请参考你的服务器配置，或内网穿透的端口映射配置
     */
    private static final String PAY_HOST = "http://ac7s4d.natappfree.cc";
    /**
     * 通知网址，用于处理支付宝完成支付处理后，你的应用中进行下一步处理的请求地址，请参考当前控制器的配置
     */
    private static final String NOTIFY_URL = PAY_HOST + "/alipay/notify";
    /**
     * 返回网址，用于支付宝完成支付处理后，重定向到某个位置，请参考当前控制器的配置
     */
    private static final String RETURN_URL = PAY_HOST + "/alipay/finish";
    /**
     * 【固定】支付宝网关
     */
    private static final String ALIPAY_GATEWAY = "https://openapi-sandbox.dl.alipaydev.com/gateway.do";
    /**
     * 【固定】加密算法
     */
    private static final String ENCRYPTION_ALGORITHM = "RSA2";
    /**
     * 【固定】字符编码
     */
    private static final String CHARSET = "UTF-8";
    /**
     * 【固定】数据格式
     */
    private static final String DATA_FORMAT = "json";

    public PayController() {
        log.debug("创建控制器类对象：PayController");
    }

    // 此方法用于接收客户端发起的支付请求，并响应支付表单页面到客户端
    // 网页客户端应该通过window.open直接向此处发起请求，则响应的支付表单会直接显示在window.open打开的窗口中
    @ApiOperation("支付宝沙箱支付")
    @ApiOperationSupport(order = 100)
    @GetMapping("/pay")
    public String pay(PayParam payParam, @ApiIgnore HttpServletResponse response) throws Exception {
        AlipayClient alipayClient = new DefaultAlipayClient(
                ALIPAY_GATEWAY, APP_ID, PRIVATE_KEY, DATA_FORMAT, CHARSET, ALIPAY_PUBLIC_KEY, ENCRYPTION_ALGORITHM);
        AlipayTradePagePayRequest request = new AlipayTradePagePayRequest();
        //异步接收地址，仅支持http/https，公网可访问
        request.setNotifyUrl(NOTIFY_URL);
        //同步跳转地址，仅支持http/https
        request.setReturnUrl(RETURN_URL);
        /******必传参数******/
        JSONObject bizContent = new JSONObject();
        //商户订单号，商家自定义，保持唯一性
        bizContent.put("out_trade_no", payParam.getOutTradeNo());
        //支付金额，最小值0.01元
        bizContent.put("total_amount", payParam.getTotalAmount());
        //订单标题，不可使用特殊符号
        bizContent.put("subject", payParam.getSubject());
        //电脑网站支付场景固定传值FAST_INSTANT_TRADE_PAY
        bizContent.put("product_code", "FAST_INSTANT_TRADE_PAY");

        /******可选参数******/
        //bizContent.put("time_expire", "2022-08-01 22:00:00");

        //// 商品明细信息，按需传入
        //JSONArray goodsDetail = new JSONArray();
        //JSONObject goods1 = new JSONObject();
        //goods1.put("goods_id", "goodsNo1");
        //goods1.put("goods_name", "子商品1");
        //goods1.put("quantity", 1);
        //goods1.put("price", 0.01);
        //goodsDetail.add(goods1);
        //bizContent.put("goods_detail", goodsDetail);

        //// 扩展信息，按需传入
        //JSONObject extendParams = new JSONObject();
        //extendParams.put("sys_service_provider_id", "2088511833207846");
        //bizContent.put("extend_params", extendParams);

        request.setBizContent(bizContent.toString());
        AlipayTradePagePayResponse alipayTradePagePayResponse = alipayClient.pageExecute(request);
        if (alipayTradePagePayResponse.isSuccess()) {
            System.out.println("调用成功，将在浏览器中打开支付宝【沙箱】支付页");
            String responseBody = alipayTradePagePayResponse.getBody();
            System.out.println(responseBody);
            return responseBody;
        } else {
            return "交易失败，调用支付宝远程接口失败，请返回订单页查看订单状态，或重新支付！";
        }
    }

    // 接收支付宝发送的通知（支付结果）
    // 注意：必须是POST请求
    @ApiIgnore
    @PostMapping("/notify")
    public String payNotify(@ApiIgnore HttpServletRequest request) throws Throwable {
        Map<String, String> params = new HashMap<>();
        Map<String, String[]> requestParams = request.getParameterMap();
        for (String name : requestParams.keySet()) {
            params.put(name, request.getParameter(name));
        }
        String sign = params.get("sign");
        String content = AlipaySignature.getSignCheckContentV1(params);
        boolean checkSignature = AlipaySignature.rsa256CheckContent(content, sign, ALIPAY_PUBLIC_KEY, CHARSET); // 验证签名
        // 支付宝验签
        if (checkSignature) {
            // 验签通过
            System.out.println("交易名称: " + params.get("subject"));
            System.out.println("交易状态: " + params.get("trade_status"));
            System.out.println("支付宝交易凭证号: " + params.get("trade_no"));
            System.out.println("商户订单号: " + params.get("out_trade_no"));
            System.out.println("交易金额: " + params.get("total_amount"));
            System.out.println("买家支付宝ID: " + params.get("buyer_id"));
            System.out.println("买家付款时间: " + params.get("gmt_payment"));
            System.out.println("买家付款金额: " + params.get("buyer_pay_amount"));
            // 你应该在此处补充支付成功后续的代码，例如修改订单状态等
            // 完成
            return "支付完成，商家将尽快发货";
        } else {
            return "支付失败，请返回订单页查看订单状态，或重新支付！";
        }
    }

    // 接收处理支付宝的跳转（支付完成后自动重定向到此处）
    @ApiIgnore
    @GetMapping("/finish")
    public String finish() {
        return "支付完成，请返回订单页查看订单状态！";
    }

}
